Monitor support arm



FIG. 1 is an isometric view of a monitor support arm;

FIG. 2 is a front elevational view of the monitor support arm shown in FIG. 1;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right-side view thereof;

FIG. 5 is a left-side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken line drawings of a mounting bracket in FIG. 1, and a monitor in FIGS. 1-5 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a monitor support arm, as shown and described. 